SB2018032601 - Remote command execution in VK Messenger
Published: March 26, 2018
Security Bulletin ID
SB2018032601
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) OS command injection (CVE-ID: N/A)
CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
The vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to insecure processing of "vk://" URI handler. A remote attacker can create a specially crafted web page, trick a victim into opening it and execute arbitrary OS commands on vulnerable system with privileges of the current user.
Successful exploitation of the vulnerability requires that the victim open a malicious website and that the affected version of the VK Messenger app is not running.
Remediation
Install update from vendor's website.